Mass extinction events are infamous, entirely destroying many species in one fell swoop. But this particular extinction event ...

CHICAGO (CBS ... means that we need to reevaluate these four species to determine, what are their actual extinction risks?" said Field Museum research associate Stephen Mahony.

“We need to reevaluate these four species to determine what are their actual extinction risks,” said Stephen Mahony, Field Museum research associate. Field Museum herpetologist Chun ...

“We need to reevaluate these four species to determine what are their actual extinction risks,” said Stephen Mahony, Field Museum research associate. Field Museum herpetologist Chun ...